import socket
s = socket.socket()
s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
add = ('0.0.0.0',5566)
s.bind(add)
s.listen(1)
a,b = s.accept()
s.close()
while True:
    a.sendall(b'sdf'*1000)